<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>对象继承（ES5构造函数实现）</title>
</head>

<body>
    <script>
        //手机
        function Phone(brand, price) {
            this.brand = brand;
            this.price = price;
        }
        Phone.prototype.call = function() {
            console.log("我可以打电话");
        }

        //智能手机
        function SmartPhone(brand, price, color, size) {
            Phone.call(this, brand, price);
            this.color = color;
            this.size = size;
        }

        //设置子级构造函数的原型
        SmartPhone.prototype = new Phone; //方法继承
        SmartPhone.prototype.constructor = SmartPhone;

        //声明子类的方法
        SmartPhone.prototype.photo = function() {
            console.log("我可以拍照")
        }

        SmartPhone.prototype.playGame = function() {
            console.log("我可以玩游戏");
        }

        const chuizi = new SmartPhone('锤子', 2499, '黑色', '5.5inch');

        console.log(chuizi);
    </script>
</body>

</html>